英文關鍵字
elderly
computer
keyboard
hand
senior
citizen
adult
wrinkled
education
work
learning
cyberspace
finger
key
laptop
business
human
arm
people
old
close-up
men
table
communication
body
part
males
active
seniors
retirement
one
man
only
person
selective
focus
wireless
technology
using
monitor
connect
retired
studying
surfer
closeup
wrinkle
close
working